Please go to <a href="http://www.severalworld.co.uk/engineering-timelines/timelines.html/who/haslett_c/allElectricHouse_200x310_IET.jpg">http://www.severalworld.co.uk/engineering-timelines/timelines.html/who/haslett_c/allElectricHouse_200x310_IET.jpg</a>